| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Park Ji-eun | Crew | Writing | Writer | 20 |
 Kim Jae-hong | Crew | Directing | Assistant Director | 20 |
 Kim Chang-wan | Cast | Actor | Kim Hong-shik | 20 |
 Choi Cheol-ho | Cast | Actor | Han Joon-hyuk | 20 |
 Oh Ji-ho | Cast | Actor | On Dal-soo | 20 |
 Kim Nam-ju | Cast | Actress | Cheon Ji-ae | 20 |
 Jun Jin | Cast | Actor | Jun Jin - New Employee Interviewee (Cameo) | 1 |
 Lee Hae-young | Cast | Actress | Yang Bong-soon | 20 |
 Yoon Sang-hyun | Cast | Actor | Heo Tae-joon | 20 |
 Jeong Hyeong-don | Cast | Actor | Jung Hyung-don - New Employee Interviewee (Cameo) | 1 |
 Park Myung-soo | Cast | Actor | Park Myung-soo - New Employee Interviewee (Cameo) | 1 |
 Shindong | Cast | Actor | 1 | |
 Yoo Jae-suk | Cast | Actor | Yoo Jae-suk - New Employee (Cameo) | 1 |
 Na Young-hee | Cast | Actress | Oh Young-sook | 20 |
 Noh Hong-chul | Cast | Actor | Noh Hong-chul - New Employee Interviewee (Cameo) | 1 |
 Sun Woo-sun | Cast | Actress | Eun So-hyun | 20 |
| Person | Type | Job | Role(s) | Episodes |
